naked handshake
A guy-to-guy greeting that happens when two guys who are either totally naked or just showing off their junk pull each other's peenies like it's a friendly fight.
At the beach party, the two guys did a naked handshake and then swam to the nearest island.
At the birthday party, the two guys did a naked handshake and then ate cake like it was the best thing ever.
At the airport, the two guys did a naked handshake and then boarded the plane like it was a big deal.